"The Obama administration announced Monday that it has extended nearly 1,400 deep-water oil and gas drilling leases to make up for delays caused by last year's Gulf spill and a subsequent moratorium on some offshore exploration."

"The Interior Department plans to issue a proposal soon forcing companies to reveal the chemicals they use in the so-called fracking drilling process on federal lands, as the Obama administration responds to public safety concerns over the shale exploration boom."

"The Obama administration on Thursday unveiled its road map for solar energy development, directing large-scale industrial projects to 285,000 acres of desert land in the western U.S. while opening 20 million acres of the Mojave for new development."

"SINGAPORE -- Oil prices jumped above $92 a barrel Thursday in Asia after European leaders agreed on a plan to reduce Greece's debt burden."

"BP won approval from the Interior Department to drill its first exploratory oil well in the Gulf of Mexico since the blowout of its Macondo well a year and a half ago touched off the country's worst offshore environmental disaster."

"Three environmental groups sued the U.S. government on Tuesday, challenging claims in a State Department report that said a proposed Canada-to-Texas oil sands pipeline poses little risk to endangered species because spills on the line were unlikely."

"SAN BRUNO, Calif. -- State regulators have uncovered evidence that suggests Pacific Gas and Electric Co. installed 'salvaged or junked transmission pipe' on its natural-gas system in the 1940s and '50s, raising fears that a problem like the one that caused the San Bruno disaster could be lurking undetected, officials said in a regulatory filing Wednesday.

"Seven American makers of solar panels filed a broad trade case in Washington against the Chinese solar industry on Wednesday, accusing it of using billions of dollars in government subsidies to help gain sales in the American market.

The companies also accused China of dumping solar panels in the United States for less than it costs to manufacture and ship them.